Metal casting hole opening device

Abstract

The present invention belongs to the technical field of metal casting processing, and in particular, is a metal casting hole-making device, comprising a U-shaped workbench, a moving assembly, an electric push rod, a motor and a drill bit, the inner walls on both sides of the workbench are provided with spacers, the moving assembly is located above the workbench, the electric push rod is connected to the moving assembly, the motor is fixed on the output shaft of the electric push rod, the drill bit is installed on the output shaft of the motor, a grinding sleeve is provided on the fixed sleeve of the drill bit, and a dust cleaning mechanism is also provided on the drill bit. In the present invention, the casting is placed on two spacers, and then the drill bit is moved by the moving assembly so that the drill bit moves to the top of the position to be punched, and then the motor is started, and the motor and the drill bit are driven by the output shaft of the electric push rod to move downward to punch holes, during the punching process, the grinding sleeve will enter the hole to grind the hole, and the dust cleaning mechanism will blow out the dust in the casting hole, thereby achieving the effect of grinding the hole and cleaning the dust.

Description

Technical Field

[0001] The invention relates to the technical field of metal casting processing, in particular to a metal casting hole opening device. Background Art

[0002] Castings are metal shaped objects obtained by various casting methods, that is, the smelted liquid metal is poured into a pre-prepared mold by pouring, injection, suction or other casting methods, and then cooled and polished to obtain objects with a certain shape, size and performance.

[0003] In order to solve the problem of "manual hand-held gun drilling deviation in castings", the Chinese patent with publication number CN220217452U discloses a metal casting drilling device, including a workbench, the top of the workbench is fixedly connected to a fixed frame, the top of the workbench is located on one side of the fixed frame and is fixedly connected to a drilling machine, one end of the fixed frame is fixedly connected to a cylinder, one side of the cylinder is movably connected to a push rod, one end of the push rod is fixedly connected to a movable sleeve, one end of the cylinder is fixedly connected to two positioning strips at the top, one end of the cylinder is fixedly connected to a No. 1 rack at the bottom, the top of the fixed frame is movably connected to the workbench, the top of the workbench is fixedly connected to a fixing piece, the inner wall of the fixing piece is provided with a fixing groove, the inner wall of the movable sleeve is movably connected to a No. 1 gear, the bottom of the workbench is provided with a mounting groove, and the inner wall of the mounting groove is fixedly connected to a No. 2 rack. Although the existing technical problems have been solved, the following problems still exist:

[0004] In this technical solution, drilling and grinding need to be carried out in two steps, which leads to slow grinding efficiency. Therefore, corresponding improvements are made to address this problem, and the present application also provides another solution, which allows the dust after grinding to be cleaned synchronously during the grinding process. Summary of the invention

[0005] Based on the technical problems existing in the prior art, the present invention proposes a metal casting hole opening device.

[0006] The present invention provides a metal casting hole-making device, comprising a U-shaped workbench, a moving assembly, an electric push rod, a motor and a drill bit, wherein the inner walls on both sides of the workbench are provided with partition bars for placing the castings, a drawer located below the two partition bars is inserted in the workbench, the moving assembly is located above the workbench, the electric push rod is connected to the moving assembly, the motor is fixed on the output shaft of the electric push rod, the drill bit is installed on the output shaft of the motor, a grinding sleeve is provided on the fixed sleeve of the drill bit, and a dust cleaning mechanism is also provided on the drill bit, the casting is placed on the two partition bars, and then the drill bit is moved by the moving assembly so that the drill bit moves to the top of the position to be drilled, and then the motor is started, and the motor and the drill bit are driven by the output shaft of the electric push rod to move downward for drilling, during the drilling process, the grinding sleeve will enter the opening to grind the opening, and the dust cleaning mechanism will blow out the dust in the opening of the casting, thereby achieving the function of grinding the opening and cleaning the dust.

[0007] Preferably, the cleaning mechanism includes a fan blade, a fan blade fixing sleeve is arranged on the drill bit, and the fan blade is located above the grinding sleeve. When the drill bit rotates, the fan blade is driven to rotate synchronously. After the fan blade enters the opening, the dust can be blown out of the opening.

[0008] Preferably, the dust cleaning mechanism includes a sealing disk sleeved on the drill bit, the sealing disk is located above the grinding sleeve, an exhaust pipe with a T-shaped top end is fixed through the sealing disk, and two air ports at the top end of the exhaust pipe are respectively installed with a one-way valve, so that the two air ports form an exhaust port and an air inlet respectively, and a U-shaped mounting bracket sleeved on the drill bit is fixed to the bottom end of the motor, an L-plate is fixed to one side of the bottom of the mounting bracket, a guide column is inserted into the L-plate, the bottom end of the guide column is fixedly connected to the sealing disk, a spring is sleeved on the guide column, the spring connects the guide column and the L-plate together, and the guide column is connected to a pressing assembly, which will periodically press the guide column downward when drilling, and the guide column will synchronously drive the sealing disk to move downward The sealing disk moves, so when the sealing disk enters the opening, the sealing disk, the grinding sleeve and the inner wall of the opening will form a closed space, and the sealing disk will press the air in the closed space into the exhaust pipe, and the air will be discharged from the exhaust port at the top of the exhaust pipe with dust. When the sealing disk is reset by the action of the spring, clean air from the outside will enter the closed space from the air inlet, thereby continuously discharging the dust. In this solution, one end of the hose can also be put on the exhaust port, and the other end of the hose is introduced into a drawer or other location away from the equipment. In this way, the dust can be concentrated in one place for discharge, thereby preventing the dust from being sucked into the air inlet again or falling on the equipment and castings.

[0009] Preferably, the pressing assembly includes a cam and a pressure plate that can be pressed down by the cam, the pressure plate is fixed at the top end of the guide column, the inner side of the L-plate is rotatably connected to the shaft column, the cam is fixedly sleeved on the shaft column, the drill bit and the shaft column are respectively fixedly sleeved with a first bevel gear and a second bevel gear, the first bevel gear and the second bevel gear are meshingly connected, when the drill bit rotates, the first bevel gear is synchronously driven to rotate, the first bevel gear is meshed to drive the second bevel gear to rotate, the second bevel gear synchronously drives the shaft column and the cam to rotate, and the cam will periodically press down the pressure plate and the guide column.

[0010] Preferably, the downward pressing component includes a disc fixedly mounted on the drill bit, a plurality of protrusions distributed in a circular array are provided at the bottom of the disc, a first ball head capable of contacting the protrusions is provided at the top of the guide column, and when the drill bit rotates, the disc is synchronously driven to rotate, so that the plurality of protrusions will periodically squeeze the first ball head, thereby pressing the guide column downward.

[0011] Preferably, the pressing assembly includes a round cover fixedly mounted on the drill bit, a wavy flange is provided at the bottom of the round cover, and a second ball head capable of contacting the flange is provided at the top of the guide column. When the drill bit rotates, the round cover is synchronously driven to rotate, so that the wavy flange will periodically squeeze the second ball head, thereby pressing the guide column downward.

[0012] Preferably, the pressing assembly includes a second magnet fixedly mounted on the drill bit, and a first magnet is fixed to the top of the guide column. When the drill bit rotates, the second magnet is synchronously driven to rotate, and the same magnetic poles of the second magnet and the first magnet will periodically approach each other, so that the guide column can be pressed down by the magnetic force generated between the two.

[0013] Preferably, a rubber sleeve is provided on the fixing sleeve on the sealing disk. The rubber sleeve can, on the one hand, wipe the polished inner wall of the opening to remove dust, and on the other hand, improve the sealing between the sealing disk and the inner wall of the opening, so that more gas in the sealed space can be discharged from the exhaust pipe.

[0014] Preferably, ear seats are fixed on both sides of the workbench, and the two ear seats are respectively rotatably connected to a screw and fixedly connected to a guide rod. The screw and the guide rod are jointly sleeved with a clamping plate that forms a threaded connection with the screw, and a stop block is provided on the top of the partition bar. When the screw is rotated, the clamping plate will move backward under the guidance of the guide rod until the clamping plate presses the casting against the stop block.

[0015] Preferably, the moving assembly includes a first screw slide and a second screw slide distributed up and down, the first screw slide is fixedly connected to the workbench through a pair of brackets, the second screw slide is fixed on the slider of the first screw slide, and the electric push rod is fixed on the slider of the second screw slide, so that the drill bit can be controlled to move horizontally by the first screw slide, and the drill bit can be controlled to move longitudinally by the second screw slide, so as to move the drill bit to the position to be drilled.

[0016] Compared with the prior art, the present invention provides a metal casting hole opening device, which has the following beneficial effects:

[0017] 1. A metal casting hole drilling device, which is provided with a grinding sleeve and a dust cleaning mechanism, and the output shaft of the electric push rod drives the motor and the drill bit to move downward to drill holes. During the drilling process, the grinding sleeve will enter the hole to grind the hole, and the dust cleaning mechanism will blow out the dust in the casting hole, thereby achieving the function of grinding the hole and cleaning the dust.

[0018] 2. A metal casting hole opening device, which is provided with fan blades. When the drill bit rotates, the fan blades are driven to rotate synchronously. After the fan blades enter the hole, the dust can be blown out of the hole.

[0019] 3. A metal casting hole drilling device, by setting a sealing disk, when drilling, the pressing assembly will periodically press the guide column down, and the guide column will synchronously drive the sealing disk to move downward. Therefore, when the sealing disk enters the hole, the sealing disk, the grinding sleeve and the inner wall of the hole will form a closed space together. The sealing disk will press the air in the closed space into the exhaust pipe, and the air will be discharged from the exhaust port at the top of the exhaust pipe with dust.

[0020] 4. A metal casting hole opening device, by setting a first pressing component, when the drill bit rotates, it synchronously drives the first bevel gear to rotate, the first bevel gear engages to drive the second bevel gear to rotate, the second bevel gear synchronously drives the shaft column and the cam to rotate, and the cam will periodically press down the pressure plate and the guide column.

[0021] 5. A metal casting hole-making device, by setting a second downward pressing component, when the drill bit rotates, the disc is synchronously driven to rotate, so that multiple protrusions will periodically squeeze the first ball head, thereby pressing the guide column downward.

[0022] 6. A metal casting hole-opening device, by setting a third downward pressing component, when the drill bit rotates, the round cover is synchronously driven to rotate, so that the wavy flange will periodically squeeze the second ball head, thereby pressing the guide column downward.

[0023] 7. A metal casting hole-making device, by setting a fourth downward pressing component, when the drill bit rotates, it synchronously drives the second magnet to rotate, and the same magnetic poles of the second magnet and the first magnet will be periodically close to each other, so that the guide column can be pressed down by the magnetic force generated between the two.

[0024] 8. A metal casting hole opening device, which is provided with a rubber sleeve. The rubber sleeve can, on the one hand, wipe the inner wall of the hole after grinding to remove dust, and on the other hand, improve the sealing between the sealing disk and the inner wall of the hole, so that more gas in the sealed space can be discharged from the exhaust pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the overall structure of a metal casting hole opening device proposed by the present invention;

[0026] Figure 2 A schematic diagram of the working table structure of a metal casting hole opening device proposed by the present invention;

[0027] Figure 3 A schematic diagram of the structure of a moving component of a metal casting hole opening device proposed by the present invention;

[0028] Figure 4 A schematic diagram of the installation structure of a dust cleaning mechanism of a metal casting hole opening device proposed in Example 1 of the present invention;

[0029] Figure 5 A schematic diagram of the installation structure of a dust cleaning mechanism of a metal casting hole opening device proposed in Example 2 of the present invention;

[0030] Figure 6 For the present invention Figure 4 A schematic diagram of the enlarged structure at point A;

[0031] Figure 7 A schematic diagram of the installation structure of a dust cleaning mechanism of a metal casting hole opening device proposed in Example 3 of the present invention;

[0032] Figure 8 For the present invention Figure 7 A schematic diagram of the enlarged structure at B;

[0033] Fig. 9 A schematic diagram of the installation structure of a dust cleaning mechanism of a metal casting hole opening device proposed in Example 4 of the present invention;

[0034] Fig.10 For the present invention Fig. 9 A schematic diagram of the enlarged structure at C;

[0035] Fig.11 This is a schematic diagram of the installation structure of a dust cleaning mechanism of a metal casting hole opening device proposed in Example 5 of the present invention.

[0036] In the figure: 1. workbench; 2. partition bar; 3. drawer; 4. electric push rod; 5. motor; 6. drill bit; 7. grinding sleeve; 8. fan blade; 9. sealing plate; 10. exhaust pipe; 11. one-way valve; 12. L plate; 13. guide column; 14. spring; 15. first bevel gear; 16. shaft column; 17. second bevel gear; 18. cam; 19. pressure plate; 20. mounting bracket; 21. disc; 22. protrusion; 23. first ball head; 24. round cover; 25. flange; 26. second ball head; 27. first magnet; 28. second magnet; 29. ​​rubber sleeve; 30. block; 31. screw; 32. splint; 33. ear seat; 34. bracket; 35. first screw slide; 36. second screw slide. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0038] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0039] Reference Figure 1-11 , a metal casting hole opening device, comprising a U-shaped workbench 1, a moving component, an electric push rod 4, a motor 5 and a drill bit 6. The inner walls on both sides of the workbench 1 are provided with partitions 2 for placing castings. A drawer 3 located below the two partitions 2 is inserted in the workbench 1. The moving component is located above the workbench 1, the electric push rod 4 is connected to the moving component, the motor 5 is fixed on the output shaft of the electric push rod 4, the drill bit 6 is installed on the output shaft of the motor 5, and a grinding sleeve 7 is fixed on the drill bit 6. A dust cleaning mechanism is also provided on the drill bit 6. The casting is placed on the two partitions 2, and then the drill bit 6 is moved by the moving component so that the drill bit 6 moves to the top of the position to be drilled, and then the motor 5 is started, and the motor 5 and the drill bit 6 are driven by the output shaft of the electric push rod 4 to move downward for drilling. During the drilling process, the grinding sleeve 7 will enter the opening to grind the opening, and the dust cleaning mechanism will blow out the dust in the opening of the casting, thereby achieving the function of grinding the opening and cleaning the dust.

[0040] Among them, the cleaning mechanism includes a fan blade 8, which is fixedly mounted on the drill bit 6 and is located above the grinding sleeve 7. When the drill bit 6 rotates, the fan blade 8 is synchronously driven to rotate. After the fan blade 8 enters the opening, the dust can be blown out of the opening.

[0041] In another embodiment, the cleaning mechanism includes a sealing disk 9 sleeved on the drill bit 6, the sealing disk 9 is located above the grinding sleeve 7, an exhaust pipe 10 with a T-shaped top end is fixed through the sealing disk 9, and two air ports at the top of the exhaust pipe 10 are respectively installed with a one-way valve 11, so that the two air ports form an exhaust port and an air inlet respectively, and a U-shaped mounting frame 20 sleeved on the drill bit 6 is fixed to the bottom end of the motor 5, an L-plate 12 is fixed to one side of the bottom of the mounting frame 20, a guide column 13 is inserted into the L-plate 12, and the bottom end of the guide column 13 is fixedly connected to the sealing disk 9, a spring 14 is sleeved on the guide column 13, the spring 14 connects the guide column 13 and the L-plate 12 together, and the guide column 13 is connected to a pressing assembly, which periodically presses the guide column 13 down when drilling. , the guide column 13 will synchronously drive the closing plate 9 to move downward, so when the closing plate 9 enters the opening, the closing plate 9, the grinding sleeve 7 and the inner wall of the opening will form a closed space, and the closing plate 9 will press the air in the closed space into the exhaust pipe 10, and the air will be discharged from the exhaust port at the top of the exhaust pipe 10 with dust, and when the closing plate 9 is reset under the action of the spring 14, clean air from the outside will enter the closed space from the air inlet, thereby continuously discharging the dust. In this scheme, one end of the hose can also be put on the exhaust port, and the other end of the hose can be introduced into the drawer 3 or other position away from the equipment, so that the dust can be concentrated in one place for discharge, thereby preventing the dust from being sucked in from the air inlet again or falling on the equipment and castings.

[0042] Among them, the pressing component includes a cam 18 and a pressure plate 19 that can be pressed down by the cam 18, the pressure plate 19 is fixed at the top of the guide column 13, the inner side of the L plate 12 is rotatably connected with the shaft column 16, the cam 18 is fixedly sleeved on the shaft column 16, the drill bit 6 and the shaft column 16 are respectively fixedly sleeved with a first bevel gear 15 and a second bevel gear 17, the first bevel gear 15 and the second bevel gear 17 are meshingly connected, when the drill bit 6 rotates, it synchronously drives the first bevel gear 15 to rotate, the first bevel gear 15 meshes and drives the second bevel gear 17 to rotate, the second bevel gear 17 synchronously drives the shaft column 16 and the cam 18 to rotate, and the cam 18 will periodically press the pressure plate 19 and the guide column 13 downward.

[0043] In another embodiment, the pressing assembly includes a disc 21 fixedly mounted on the drill bit 6, a plurality of protrusions 22 distributed in a circular array are provided at the bottom of the disc 21, a first ball head 23 capable of contacting the protrusions 22 is provided at the top of the guide column 13, and when the drill bit 6 rotates, the disc 21 is synchronously driven to rotate, so that the plurality of protrusions 22 will periodically squeeze the first ball head 23, thereby pressing the guide column 13 downward.

[0044] In another embodiment, the pressing assembly includes a round cover 24 fixedly mounted on the drill bit 6, a wavy flange 25 is provided at the bottom of the round cover 24, and a second ball head 26 that can contact the flange 25 is provided at the top of the guide column 13. When the drill bit 6 rotates, the round cover 24 is synchronously driven to rotate, so that the wavy flange 25 will periodically squeeze the second ball head 26, thereby pressing the guide column 13 downward.

[0045] In another embodiment, the pressing assembly includes a second magnet 28 fixedly mounted on the drill bit 6, and a first magnet 27 is fixed to the top of the guide column 13. When the drill bit 6 rotates, the second magnet 28 is synchronously driven to rotate, and the same magnetic poles of the second magnet 28 and the first magnet 27 will periodically approach each other, so that the guide column 13 can be pressed down by the magnetic force generated between the two.

[0046] Furthermore, a rubber sleeve 29 is fixedly provided on the sealing disk 9. The rubber sleeve 29 can, on the one hand, wipe the polished inner wall of the opening to remove dust, and on the other hand, improve the sealing between the sealing disk 9 and the inner wall of the opening, so that more gas in the sealed space can be discharged from the exhaust pipe 10.

[0047] Furthermore, ear seats 33 are fixed on both sides of the workbench 1, and the two ear seats 33 are respectively rotatably connected to a screw 31 and fixedly connected to a guide rod. The screw 31 and the guide rod are jointly sleeved with a clamping plate 32 that forms a threaded connection with the screw 31. A stop block 30 is provided on the top of the partition bar 2. When the screw 31 is rotated, the clamping plate 32 will move backward under the guidance of the guide rod until the clamping plate 32 presses the casting against the stop block 30.

[0048] Among them, the moving component includes a first screw slide 35 and a second screw slide 36 distributed up and down. The first screw slide 35 is fixedly connected to the workbench 1 through a pair of brackets 34, and the second screw slide 36 is fixed on the slider of the first screw slide 35. The electric push rod 4 is fixed on the slider of the second screw slide 36. In this way, the drill bit 6 can be controlled to move horizontally through the first screw slide 35, and the drill bit 6 can be controlled to move longitudinally through the second screw slide 36, so as to move the drill bit 6 to the position to be drilled.

[0049] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A metal casting hole drilling device, comprising a U-shaped workbench (1), a moving assembly, an electric push rod (4), a motor (5) and a drill bit (6), wherein the inner walls on both sides of the workbench (1) are provided with spacers (2) for placing castings, and a drawer (3) located below the two spacers (2) is inserted into the workbench (1), characterized in that: The moving assembly is located above the workbench (1), the electric push rod (4) is connected to the moving assembly, the motor (5) is fixed on the output shaft of the electric push rod (4), the drill bit (6) is installed on the output shaft of the motor (5), a grinding sleeve (7) is fixed on the drill bit (6), and a dust cleaning mechanism is also provided on the drill bit (6), and after the grinding sleeve (7) grinds the opening on the casting, the dust cleaning mechanism blows out the dust in the opening of the casting; The cleaning mechanism comprises a sealing disc (9) sleeved on the drill bit (6), the sealing disc (9) being located above the grinding sleeve (7), an exhaust pipe (10) having a T-shaped top being fixedly passed through the sealing disc (9), two air ports at the top of the exhaust pipe (10) being respectively installed with a one-way valve (11), a U-shaped mounting bracket (20) sleeved on the drill bit (6) being fixed at the bottom end of the motor (5), an L-plate (12) being fixed at one side of the bottom of the mounting bracket (20), a guide column (13) being inserted into the L-plate (12), the bottom end of the guide column (13) being fixedly connected to the sealing disc (9), a spring (14) being sleeved on the guide column (13), the spring (14) connecting the guide column (13) and the L-plate (12) together, and the guide column (13) being connected with a pressing assembly for periodically pressing the guide column (13) downward.

2. A metal casting hole opening device according to claim 1, characterized in that: The pressing assembly comprises a cam (18) and a pressing plate (19) which can be pressed down by the cam (18); the pressing plate (19) is fixed on the top end of the guide column (13); the inner side of the L plate (12) is rotatably connected to a shaft column (16); the cam (18) is fixedly sleeved on the shaft column (16); a first bevel gear (15) and a second bevel gear (17) are fixedly sleeved on the drill bit (6) and the shaft column (16) respectively; the first bevel gear (15) and the second bevel gear (17) are meshingly connected.

3. A metal casting hole opening device according to claim 1, characterized in that: The pressing assembly comprises a disc (21) fixedly mounted on the drill bit (6), a plurality of protrusions (22) distributed in a circular array are arranged at the bottom of the disc (21), and a first ball head (23) capable of contacting the protrusions (22) is arranged at the top of the guide column (13).

4. A metal casting hole opening device according to claim 1, characterized in that: The pressing assembly comprises a round cover (24) fixedly sleeved on the drill bit (6), a wave-shaped flange (25) is provided at the bottom of the round cover (24), and a second ball head (26) capable of contacting the flange (25) is provided at the top of the guide column (13).

5. A metal casting hole opening device according to claim 1, characterized in that: The pressing assembly comprises a second magnet (28) fixedly sleeved on the drill bit (6), and a first magnet (27) is fixed on the top end of the guide column (13).

6. A metal casting hole opening device according to claim 1, characterized in that: A rubber sleeve (29) is fixedly mounted on the sealing disc (9).

7. A metal casting hole opening device according to claim 1, characterized in that: Ear seats (33) are fixed on both sides of the workbench (1), and the two ear seats (33) are rotatably connected to a screw rod (31) and fixedly connected to a guide rod respectively. The screw rod (31) and the guide rod are jointly sleeved with a clamping plate (32) that is threadedly connected to the screw rod (31), and a stopper (30) is provided on the top of the partition bar (2).

8. A metal casting hole opening device according to claim 1, characterized in that: The moving assembly comprises a first screw slide (35) and a second screw slide (36) which are distributed up and down, the first screw slide (35) being fixedly connected to the workbench (1) via a pair of brackets (34), the second screw slide (36) being fixed on a slider of the first screw slide (35), and the electric push rod (4) being fixed on a slider of the second screw slide (36).

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